Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quais ligas entraram nas rodadas onde houve 16 vencedores da rodada anterior?
 ###Tabelas: CREATE TABLE opening_day_starting_lineups (opening_day_starting_lineups_id AUTO_INCREMENT PRIMARY KEY, Year INT, Catcher VARCHAR, First Baseman VARCHAR, Second Baseman VARCHAR, Shortstop VARCHAR, Third Baseman VARCHAR, Rightfielder VARCHAR, Centerfielder VARCHAR, Leftfielder VARCHAR, Starting Pitcher VARCHAR) CREATE TABLE torchwood (torchwood_id AUTO_INCREMENT PRIMARY KEY, Title VARCHAR, Author VARCHAR, Reader VARCHAR, Format VARCHAR, Company VARCHAR, Release Date VARCHAR, Notes VARCHAR) CREATE TABLE current_prisons (current_prisons_id AUTO_INCREMENT PRIMARY KEY, Facility VARCHAR, Location VARCHAR, Year Opened VARCHAR, Major Facility VARCHAR, Population Gender VARCHAR, Capacity INT, Custody Level(s) VARCHAR) CREATE TABLE lineup (lineup_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Size VARCHAR, Price VARCHAR, Quantity INT, Released VARCHAR, Nicotine INT) CREATE TABLE teams (teams_id AUTO_INCREMENT PRIMARY KEY, Round VARCHAR, Clubs remaining INT, Clubs involved INT, Winners from previous round VARCHAR, New entries this round VARCHAR, Leagues entering at this round VARCHAR)  
SELECT Leagues entering at this round FROM teams WHERE Winners from previous round = 16